security advisorydebianimportant
A race condition was discovered in Qt, a cross-platform C++ application framework. Code to make security-relevant decisions about an established HTTP2 connection may execute too early, because the encrypted() signal has not yet been emitted and processed. . - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4387-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Sylvain Beucler November 29, 2025 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package : qtbase-opensource-src Version : 5.15.2+dfsg-9+deb11u2 CVE ID : CVE-2024-39936 Debian Bug : 1076293 A race condition was discovered in Qt, a cross-platform C++ application framework. Code to make security-relevant decisions about an established HTTP2 connection may execute too early, because the encrypted() signal has not yet been emitted and processed. For Debian 11 bullseye, this problem has been fixed in version 5.15.2+dfsg-9+deb11u2. We recommend that you upgrade your qtbase-opensource-src packages. For the detailed security status of qtbase-opensource-src please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/qtbase-opensource-src Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . Race condition found in Qt framework could lead to security breaches. Update qtbase-opensource-src for Debian LTS.. Debian LTS, HTTP2 Security, Qt Framework Update, Security Advisory, Critical Update. . Severity: Important. LinuxSecurity.com Team
Nov 29, 2025
•Important
Debian LTS